[Lxc-users] [PATCH 1/1] Update ubuntu templates

[Daniel Lezcano]

On 01/24/2011 01:28 AM, Serge Hallyn wrote:
> Quoting Daniel Lezcano (daniel.lezcano at free.fr):
>> On 01/23/2011 06:00 AM, Serge Hallyn wrote:
>>> Quoting Daniel Lezcano (daniel.lezcano at free.fr):
>>>> On 01/21/2011 06:10 PM, Serge Hallyn wrote:
>>>>> Rename 'ubuntu' template to 'lucid'
>>>>>
>>>>> Add new maverick and natty templates, which do much less tweaking
>>>>> of the environment.  These should only be used on a kernel which
>>>>> supports sysfs tagging for /sys/class/net, as udev will be running
>>>>> in the container.
>>>>>
>>>>> The natty template needed to slightly change the installed packages
>>>>> for dhclient to be correclty installed.
>>>>>
>>>>> Signed-off-by: Serge Hallyn<serge.hallyn at canonical.com>
>>>>> ---
>>>> While playing with natty and maverick containers I noticed at
>>>> startup the udev events are broadcast to all the udev daemons
>>>> running on the host and the containers. IMO that should not occur.
>>>>
>>>> I am looking at the lib/kobject_udev.c and net/af_netlink.c and I
>>>> suspect there is a bug with the broadcast filtering of the events
>>>> ...
>>> When I was testing on natty I was pretty sure i only saw syslog
>>> entries for the container, not the host - but I may not have
>>> been looking for the right thing.  What exactly did you see?
>> For example, if you use the command udevadm --trigger in a
>> container, you will see the udev daemons receiving the events in
>> both the host and in the container.
> That's what I mean - I was doing 'udevadm --trigger' in a container,
> but based just on the PIDs of udev processes telling syslog that
> they were handling events, it seemed to me that they must all be in
> a container.
>
> Were you going based on syslog, or did you have another way to
> get udevd to tell you it had processed events ?

I got the udevd log error (creation is prevented by the cgroup) on each 
console of all the containers and I straced the host udevd daemon.